1# This message encodes the 16 audio features selected
2# in the INTERSPEECH2009 challenge.
3#
4# Reference: Schuller, Steidl, Batliner, The INTERSPEECH 2009 Emotion Challenge
5#
6# They can be extract using the OpenSMILE toolkit with the present
7# IS09_emotion.conf
8
9float32 zcr # zero-crossing rate from the time signal
10float32 rms # root mean square frame energy
11float32 pitch # pitch frequency (normalised to 500 Hz)
12float32 hnr # harmonics-to-noise ratio by autocorrelation function
13float32[] mfcc # mel-frequency cepstral coefficients 1 to 12